Function rest_catchup_service_get_catchup_reward_accounts 

async fn rest_catchup_service_get_catchup_reward_accounts<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Json<GetCatchupRewardAccountsRequest>,
) -> Result<Json<RewardMerkleTreeV1Response>, RestError>
where
    S: CatchupService + Send + Sync + 'static,

GetCatchupRewardAccounts - JSON endpoint.

POST /v2/catchup/reward-accounts